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// Copyright 2016-2023 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_external_fence_fd.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2017-05-08
*IP Status*::
No known IP claims.
*Contributors*::
- Jesse Hall, Google
- James Jones, NVIDIA
- Jeff Juliano, NVIDIA
- Cass Everitt, Oculus
- Contributors to `apiext:VK_KHR_external_semaphore_fd`
=== Description
An application using external memory may wish to synchronize access to that
memory using fences.
This extension enables an application to export fence payload to and import
fence payload from POSIX file descriptors.
include::{generated}/interfaces/VK_KHR_external_fence_fd.adoc[]
=== Issues
This extension borrows concepts, semantics, and language from
`apiext:VK_KHR_external_semaphore_fd`.
That extension's issues apply equally to this extension.
=== Version History
* Revision 1, 2017-05-08 (Jesse Hall)
** Initial revision
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